products = [["iphone",6888],["MacPro",14800],["小米6",2499],["Coffee",31],["Book",60],["Nike",699]]
print ("------ 商品列表 ------")
for i in products:
    print(i[0] + '    ',i[1])

# print是个方法，直接print() 就可以了，不需要加空格